Gesellius, Lindgren, Saarinen was a Finnish architecture firm, founded in Helsinki in 1896 by architects Herman Gesellius, Armas Lindgren and Eliel Saarinen. Wikipedia
Founders: Herman Gesellius, Eliel Saarinen, and Armas Lindgren
Founded: 1896, Helsinki, Finland
Key architects: Herman Gesellius; Armas Lindgren; Eliel Saarinen